SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 2) Literal \'Rows in parts\' Function SUM (children 1) ExpressionList (children 1) Identifier rows TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier system.parts Function and (children 1) ExpressionList (children 3) Function equals (children 1) ExpressionList (children 2) Identifier database Function currentDatabase (children 1) ExpressionList Function equals (children 1) ExpressionList (children 2) Identifier table Literal \'lwd_test\' Identifier active